VVeritasium21.3M subscribers
Watch on YouTube Why does every mammal get 1 billion heartbeats in their life?
Outlier vs channel median1.0×Comparable-age T+720h
Current velocity—needs two snapshots
Engagement2.5%likes + comments
ConfidenceLow3 comparable videos
Where it broke away
Views at the same time after publishing—not lifetime totals.
This video
Why it qualifies
- At 720 hours, views are 1.0× the channel median.
- The baseline uses 3 comparable long-form videos.
Comparison windowComparable-age T+720h
This video at comparable age—
This video now6.5M views
Channel median at comparable age3M views
Sample3 videos